Mixer board



FIG. 1 is a top view of the mixer board of Applicant's invention.

FIG. 2 is a front elevation of the mixer board of Applicant's invention.

FIG. 3 is a rear elevation of the mixer board of Applicant's invention.

FIG. 4 is a right side elevation of the mixer board of Applicant's invention.

FIG. 5 is a left side elevation of the mixer board of Applicant's invention.

FIG. 6 is a bottom view of the mixer board of Applicant's invention; and,

FIG. 7 is a front upper perspective view showing the mixer board of Applicant's invention. 

The ornamental design for a mixer board, as shown and described. 